The ‘Grand BIDA March’ organised by the Philippine Amusement and Gaming Corp (Pagcor) in Manila on 21 Mar 2009 was the largest march against illegal drugs. Both lanes of the Roxas Boulevard from Gil Puyat (Buendia) to Padre Burgos were closed for the march. Guinness officials using a barcode system and an on-site registration method came up with a total of 332,963 people.